This site has a really great mix of ideas on blogging in the classroom. Some ideas are general, some for older students and some for younger. Neat site with helpful ideas.
This site breaks down social bookmarking into 7 things that you should know what it is, why its important and the implications for teaching and learning.
This definition of what technology is comes from the European Space Agency. I like this definition because it makes what technology is, easy to understand.
This website talks about what literacy has been and how its definition has changed in the 21st century. The article further talks about new technologies and how they have affected the definition of literacy.